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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httn.//www.mccamnbell coin E-mail majn@mccampbell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> ' Date 04103/01-04104101 Matnx Water <br /> Extraction NIA <br /> � Concentration ug/L %Recovery <br /> Compound - RPD <br /> Sample MS MSD Amount MS MSD <br /> Spiked <br /> Samplel0 33001 instrument GC-10 <br /> ' Surrogate 0 000 950 950 100 00 95 95 00 <br /> tert-Amyl Methyl Ether 0 000 840 860 10000 84 86 24 <br /> Methyl tert-Butyl Ether 0 000 810 830 10000 81 83 24 <br /> L Ethyl Cert-Butyl Ether 0 000 880 91 0 10000 88 91 34 <br /> Di-isopropyl Ether I 0 000 1040 1090 10000 104 109 47 <br /> ' Toluene i 0 000 900 960 10000 90 96 I 65 <br /> Benzene 0 000 930 1000 1000o 93 100 73 <br /> ' Chlorobenzene 0 000 950 101 0 10000 95 101 6 1 <br /> Trichloroethane 0 000 720 76 0 10000 72 76 54 <br /> I <br /> L1,1-Dichloroethene ILO 000 84 0 88 0 10000 84 88 4=7 <br /> 1 <br /> i <br /> ' %Re Covery=(MS—Sample)AmaunrSpr&ed 100 <br /> (MS—MSD <br /> RPD= 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Dewation <br />